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Question
Positive phototropism is due to elongation of cells:
Positive phototropism is due to elongation of cells:
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Solution
The correct option is B More on shaded side and less on illuminated side
- Auxin is a plant hormone that plays important role in phototropism: growth movement in response to light.
- It promotes cell elongation and it is transported towards the shady side and thus present in higher concentration. while less auxin is present on the illuminated side.
- Due to this, the plant grows more on the shaded side and bend in the direction of the light source.
- Thus, the plant shows positive phototropism where the movement of the shoot is seen towards the light (stimuli).
Hence, the correct answer is option B.
- Auxin is a plant hormone that plays important role in phototropism: growth movement in response to light.
- It promotes cell elongation and it is transported towards the shady side and thus present in higher concentration. while less auxin is present on the illuminated side.
- Due to this, the plant grows more on the shaded side and bend in the direction of the light source.
- Thus, the plant shows positive phototropism where the movement of the shoot is seen towards the light (stimuli).
Hence, the correct answer is option B.
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